Troubleshooting - Ryobi RPHD43O Operator's Manual

If these solutions do not solve the problem, contact your authorised service dealer.
PROBLEM
Engine will not
start.
Engine does
not reach full
speed and
emits excessive
smoke.
Engine starts,
runs, and
accelerates but
will not idle.

TROUBLESHOOTING

POSSIBLE CAUSE
No spark.
No fuel.
Engine is flooded.
Starter cord is
hard to pull.
OId fuel.
Check oil fuel
mixture.
Air fi lter is dirty.
Spark arrestor
screen is dirty.
Idle speed screw on
carburetor requires
adjustment.
SOLUTION
Check spark: remove spark plug, reattach the spark
plug cap and lay spark plug on metal cylinder.
Pull the starter rope and watch for spark at spark
plug tip. If there is no spark, repeat test with a new
spark plug.
Push primer bulb until bulb is full of fuel. If bulb does
not fill, primary fuel delivery system is blocked,
contact a servicing dealer. If primer bulb fills, engine
may be flooded, proceed to next solution.
Completely remove the spark plug from the engine
and spark plug boot, then turn the product so the
spark plug hole is aimed at the ground.
Set the choke lever to RUN position and pull
starter cord 10-15 times, this will clear excessive fuel
from the engine.
Remove any expelled fuel from the product.
Clean and reinstall the spark plug.
Clean up any spilled fuel and move at least 9m away
before restarting.
Pull starter cord 3 times with the choke lever at RUN
position.
If the engine does not start, set the choke lever to
START position and repeat the normal starting
procedure.
Contact a servicing dealer.
Replace with fresh fuel.
Use fresh fuel and the correct 2-stroke oil mix.
Clean air filter. Refer to Cleaning the Air Filter
earlier in this manual.
Contact a servicing dealer.
Turn idle speed screw clockwise to increase idle
speed.
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